Home / 131,552.93-181,500.12-80,512.53

Finding the Fourth Proportional to 131,552.93, 181,500.12 and 80,512.53

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Solution

The fourth proportional to 131,552.93, 181,500.12 and 80,512.53 is: 111,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.93 : 181,500.12 = 80,512.53 : x
  2. Step 2: Convert to fraction form
    131,552.93/181,500.12 = 80,512.53/x
  3. Step 3: Cross multiply
    131,552.93x = 181,500.12 × 80,512.53
  4. Step 4: Simplify right side
    131,552.93x = 14,613,033,856.50
  5. Step 5: Solve for x
    x = 14,613,033,856.50/131,552.93
  6. Step 6: Final answer
    x = 111,081.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.